New brain research is proving it: Women at midlife really do start to see the world differently. Some 37 million women now entering their fifties and sixties--a unique generation--are refashioning their lives, with dramatic results. They have fulfilled all the prescribed roles--daughter, wife, mother, employee, but they're not ready to retire. They want to experience more. Suzanne Braun Levine gives us a fun, smart, and tremendously informative road map through the challenging and uncharted territory that lies ahead.